TLE2027MDG4 Equivalent & Substitute Parts

Part Overview

The TLE2027MDG4 is a general purpose operational amplifier manufactured by Texas Instruments in the Excalibur™ series. This device is packaged in 8-SOIC surface mount configuration and is designed for linear amplification applications requiring low input offset voltage and moderate bandwidth performance. The TLE2027MDG4 is currently discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain functional compatibility while ensuring continued design support and supply chain availability.

Substiute Parts

TLE2027MDG4

Texas InstrumentsIn Stock: 804TLE2027MDG4 Datasheet

Current PartRFQ

TLE2027MD

Texas InstrumentsIn Stock: 1215TLE2027MD Datasheet

MFR RecommendedRFQ

AD8229HRZ

Analog Devices Inc.In Stock: 2001AD8229HRZ Datasheet

MFR RecommendedRFQ

AD8597ARZ

Analog Devices Inc.In Stock: 2655AD8597ARZ Datasheet

MFR RecommendedRFQ

AD8597ARZ-REEL7

Analog Devices Inc.In Stock: 3039AD8597ARZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLE2027MDG4 is determined by the following critical parameters: package type (8-SOIC surface mount), amplifier classification (general purpose), single circuit configuration, supply voltage range compatibility (8V to 38V minimum), and operating temperature range (-55°C to 125°C). Substitute parts must maintain electrical performance within the specified ranges for slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current capacity.

The substitute parts are grouped into two categories based on amplifier type and performance characteristics:

Category 1: Direct General Purpose Amplifier Substitutes

• TLE2027MD (Texas Instruments)
• AD8597ARZ (Analog Devices Inc.)
• AD8597ARZ-REEL7 (Analog Devices Inc.)

Category 2: Alternative Amplifier Type

• AD8229HRZ (Analog Devices Inc., Instrumentation Amplifier)

All substitute parts share the 8-SOIC package footprint, surface mount mounting type, and ROHS3 compliance status with the original TLE2027MDG4.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: TLE2027MD

The TLE2027MD is the manufacturer-recommended substitute for the discontinued TLE2027MDG4. Both devices are manufactured by Texas Instruments within the Excalibur™ series and share identical electrical specifications across all measured parameters. The TLE2027MD maintains the same slew rate (2.8V/µs), gain bandwidth product (13 MHz), input bias current (15 nA), input offset voltage (20 µV), supply current (3.8mA), output current (50 mA), and supply voltage range (8V to 38V). The primary difference is packaging format: TLE2027MD is supplied in Tube packaging, while TLE2027MDG4 was supplied in standard packaging. The TLE2027MD is currently in active production status with 1152 pieces in stock inventory.

Secondary Substitutes: AD8597ARZ and AD8597ARZ-REEL7

The AD8597ARZ and AD8597ARZ-REEL7 are general purpose operational amplifiers manufactured by Analog Devices Inc. These devices are functionally compatible with the TLE2027MDG4 in 8-SOIC package configuration. The AD8597 series offers enhanced slew rate performance (16V/µs versus 2.8V/µs) and lower input offset voltage (10µV versus 20µV). However, the AD8597 series operates within a reduced maximum supply voltage range (36V maximum versus 38V maximum) and narrower minimum operating temperature (-40°C versus -55°C). Both AD8597ARZ variants are in active production status. The AD8597ARZ-REEL7 variant includes Cut Tape and Digi-Reel® packaging options with higher inventory availability (2999 pieces).

Alternative Substitute: AD8229HRZ

The AD8229HRZ is an instrumentation amplifier manufactured by Analog Devices Inc. in 8-SOIC package configuration. This device differs from the TLE2027MDG4 in amplifier classification (instrumentation versus general purpose) and exhibits different electrical characteristics: higher slew rate (22V/µs), higher input bias current (70 nA), higher input offset voltage (100µV), and reduced output current capacity (35 mA versus 50 mA). The AD8229HRZ operates within a reduced maximum supply voltage range (34V maximum) but supports extended operating temperature range (-40°C to 175°C). Selection of the AD8229HRZ requires verification that the instrumentation amplifier topology is compatible with the original circuit design.

All substitute parts maintain ROHS3 compliance and REACH unaffected status consistent with the original TLE2027MDG4.

Frequently Asked Questions (FAQ)

Q: Can the TLE2027MD directly replace the TLE2027MDG4 without circuit modification?

A: Yes. The TLE2027MD is the manufacturer-recommended direct substitute with identical electrical specifications. Both devices share the same 8-SOIC package footprint, pinout configuration, and performance parameters. The primary difference is packaging format (Tube versus standard packaging), which does not affect circuit functionality.

Q: What are the key differences between the TLE2027MDG4 and AD8597ARZ?

A: Both devices are general purpose operational amplifiers in 8-SOIC packages. The AD8597ARZ offers superior slew rate performance (16V/µs versus 2.8V/µs) and lower input offset voltage (10µV versus 20µV). However, the AD8597ARZ operates at a reduced maximum supply voltage (36V versus 38V) and narrower minimum operating temperature (-40°C versus -55°C). Circuit designs requiring the full 38V supply range or extended low-temperature operation (-55°C) must verify AD8597ARZ compatibility.

Q: Is the AD8229HRZ a suitable substitute for the TLE2027MDG4?

A: The AD8229HRZ is functionally compatible in terms of package type and pin count but differs in amplifier classification. The AD8229HRZ is an instrumentation amplifier, while the TLE2027MDG4 is a general purpose amplifier. Instrumentation amplifiers have different input impedance characteristics and gain configuration requirements. Substitution requires verification that the circuit design can accommodate instrumentation amplifier topology and the AD8229HRZ's different electrical parameters (higher input bias current, higher input offset voltage, reduced output current).

Q: What is the difference between AD8597ARZ and AD8597ARZ-REEL7?

A: Both parts are electrically identical AD8597 general purpose operational amplifiers. The primary difference is packaging and delivery format. The AD8597ARZ is supplied in Tube packaging, while the AD8597ARZ-REEL7 is supplied in Cut Tape and Digi-Reel® format. The AD8597ARZ-REEL7 variant has higher inventory availability (2999 pieces versus 2581 pieces). Selection between these variants depends on assembly line requirements and packaging preferences.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The TLE2027MD, AD8597ARZ, AD8597ARZ-REEL7, and AD8229HRZ are all ROHS3 compliant and REACH unaffected, consistent with the original TLE2027MDG4.

Q: Which substitute part should be selected for new designs?

A: For new designs requiring direct electrical equivalence to the TLE2027MDG4, the TLE2027MD is the recommended choice as the manufacturer-recommended substitute with identical specifications and active production status. For designs where enhanced slew rate performance is beneficial, the AD8597ARZ series offers superior dynamic response characteristics within the constraints of reduced maximum supply voltage and narrower operating temperature range.